<ul data-eligibleForWebStory="true">Traditional identity management systems face challenges like data breaches and centralized repositories.Blockchain technology offers decentralization, immutability, and security for redefining identity management systems.Blockchain-based Self-Sovereign Identity (SSI) and Decentralized Trust Identity (DTI) provide user-controlled identity management.Advantages of blockchain include enhanced security, transparency, user control, and compliance with regulations.Challenges of blockchain-based identity management systems include scalability, interoperability, and user adoption.